Special coins here refer to XRP, XLM, etc. When depositing, you need to enter the deposit address as well as MEMO (other platforms may display as Tag, Remarks or Labels) . If you do not enter MEMO when deposit, the funds may be lost forever!
If you want to deposit XLM on allcoin, you need to enter transfer-in address as well as MEMO. Allcoin user's MEMO is the ID number (each user’s MEMO is different). Please do not enter wrong MEMO.